<template>
    <el-card shadow="never" class="border-0">
        <!-- 新增|刷新 -->
        <ListHeader @create="handleCreate" @refresh="getData" />

        <el-table v-loading="loading" :data="tableData" stripe style="width: 100%">
            <el-table-column label="优惠券名称" width="350">
                <template #default="{ row }">
                    <div class="rounded border border-dashed px-4 py-2" :class="row.statusText == '领取中' ? 'active' : 'inactive'">
                        <h5 class="text-md font-bold">{{ row.name }}</h5>
                        <small>{{ row.start_time }} ~ {{ row.end_time }}</small>
                    </div>
                </template>
            </el-table-column>
            <el-table-column prop="statusText" label="状态" />
            <el-table-column label="优惠">
                <template #default="{ row }"> {{ row.type == 0 ? '满减' : '折扣' }} {{ row.type == 0 ? '￥' + row.value : row.value + '折' }} </template>
            </el-table-column>
            <el-table-column prop="total" label="发放数量" />
            <el-table-column prop="used" label="已使用" />
            <el-table-column label="操作" width="180" align="center">
                <template #default="scope">
                    <el-button v-if="scope.row.statusText == '未开始'" type="primary" size="small" text @click="handleEdit(scope.row)">修改</el-button>

                    <el-popconfirm v-if="scope.row.statusText != '领取中'" title="是否要删除该优惠券？" confirm-button-text="确认" cancel-button-text="取消" @confirm="handleDelete(scope.row.id)">
                        <template #reference>
                            <el-button text type="primary" size="small">删除</el-button>
                        </template>
                    </el-popconfirm>

                    <el-popconfirm v-if="scope.row.statusText == '领取中'" title="是否要让该优惠券失效？" confirm-button-text="失效" cancel-button-text="取消" @confirm="handleStatusChange(0, scope.row)">
                        <template #reference>
                            <el-button type="danger" size="small">失效</el-button>
                        </template>
                    </el-popconfirm>
                </template>
            </el-table-column>
        </el-table>

        <div class="mt-5 flex items-center justify-center">
            <el-pagination background layout="prev, pager ,next" :total="total" :current-page="currentPage" :page-size="limit" @current-change="getData" />
        </div>

        <FormDrawer ref="formDrawerRef" :title="drawerTitle" @submit="handleSubmit">
            <el-form ref="formRef" :model="form" :rules="rules" label-width="80px" :inline="false">
                <el-form-item label="优惠券名称" prop="name">
                    <el-input v-model="form.name" placeholder="优惠券名称" style="width: 50%"></el-input>
                </el-form-item>
                <el-form-item label="类型" prop="type">
                    <el-radio-group v-model="form.type">
                        <el-radio :label="0">满减</el-radio>
                        <el-radio :label="1">折扣</el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="面值" prop="value">
                    <el-input v-model="form.value" placeholder="面值" style="width: 50%">
                        <template #append>{{ form.type ? '折' : '元' }}</template>
                    </el-input>
                </el-form-item>
                <el-form-item label="发行量" prop="total">
                    <el-input-number v-model="form.total" :min="0" :max="10000"></el-input-number>
                </el-form-item>
                <el-form-item label="最低使用价格" prop="min_price">
                    <el-input v-model="form.min_price" placeholder="最低使用价格" type="number"></el-input>
                </el-form-item>
                <el-form-item label="排序" prop="order">
                    <el-input-number v-model="form.order" :min="0" :max="1000"></el-input-number>
                </el-form-item>
                <el-form-item label="活动时间">
                    <el-date-picker v-model="timerange" :editable="false" value-format="YYYY-MM-DD HH:mm:ss" type="datetimerange" range-separator="To" start-placeholder="开始时间" end-placeholder="结束时间" />
                </el-form-item>
                <el-form-item label="描述" prop="desc">
                    <el-input v-model="form.desc" placeholder="描述" type="textarea" :rows="5"></el-input>
                </el-form-item>
            </el-form>
        </FormDrawer>
    </el-card>
</template>
<script setup>
import { computed } from 'vue'
import ListHeader from '~/components/ListHeader.vue'
import FormDrawer from '~/components/FormDrawer.vue'
import { getCouponList, createCoupon, updateCoupon, deleteCoupon, updateCouponStatus } from '~/api/coupon'
import { useInitTable, useInitForm } from '~/composables/useCommon.js'

function formatStatus(row) {
    let s = '领取中'
    let start_time = new Date(row.start_time).getTime()
    let now = new Date().getTime()
    let end_time = new Date(row.end_time).getTime()
    if (start_time > now) {
        s = '未开始'
    } else if (end_time < now) {
        s = '已结束'
    } else if (row.status == 0) {
        s = '已失效'
    }
    return s
}

const { tableData, loading, currentPage, total, limit, getData, handleDelete, handleStatusChange } = useInitTable({
    getList: getCouponList,

    onGetListSuccess: (res) => {
        tableData.value = res.list.map((o) => {
            // 转化优惠券状态
            o.statusText = formatStatus(o)
            return o
        })
        total.value = res.totalCount
    },
    delete: deleteCoupon,
    updateStatus: updateCouponStatus,
})

const { formDrawerRef, formRef, form, rules, drawerTitle, handleSubmit, handleCreate, handleEdit } = useInitForm({
    form: {
        name: '',
        type: 0,
        value: 0,
        total: 100,
        min_price: 0,
        start_time: null,
        end_time: null,
        order: 50,
        desc: '',
    },
    getData,
    update: updateCoupon,
    create: createCoupon,

    beforeSubmit: (f) => {
        if (typeof f.start_time != 'number') {
            f.start_time = new Date(f.start_time).getTime()
        }
        if (typeof f.end_time != 'number') {
            f.end_time = new Date(f.end_time).getTime()
        }
        return f
    },
})

const timerange = computed({
    get() {
        return form.start_time && form.end_time ? [form.start_time, form.end_time] : []
    },
    set(val) {
        form.start_time = val[0]
        form.end_time = val[1]
    },
})
</script>
<style scoped>
.active {
    @apply border-rose-200 bg-rose-50 text-red-400;
}

.inactive {
    @apply border-gray-200 bg-gray-50 text-gray-400;
}
</style>
